US 11,891,291 B2
Filling spout having a return line
Bertrand Gruson, Breville sur Mer (FR)
Assigned to SERAC GROUP, La Ferte Bernard (FR)
Appl. No. 17/776,392
Filed by Serac group, La Ferte Bernard (FR)
PCT Filed Dec. 14, 2020, PCT No. PCT/EP2020/085937
§ 371(c)(1), (2) Date May 12, 2022,
PCT Pub. No. WO2021/122433, PCT Pub. Date Jun. 24, 2021.
Claims priority of application No. 1914527 (FR), filed on Dec. 16, 2019.
Prior Publication US 2022/0396464 A1, Dec. 15, 2022
Int. Cl. B67C 3/28 (2006.01); B67C 3/00 (2006.01); B67C 7/00 (2006.01)
CPC B67C 3/28 (2013.01) [B67C 3/001 (2013.01); B67C 2007/006 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An installation for packaging a substance in containers, the installation including:
at least one filler station comprising a filler spout having a spout body with a bottom end provided with an orifice fitted with a controlled delivery valve; and
a multichannel connection member connected firstly to a feed duct and secondly to a purge duct for connecting these ducts to the spout, the multichannel connection member comprising for this purpose both a filler spout supply pipe opening out into the spout body above the delivery valve and connected to the feed duct, and also a return pipe opening out into the spout body above the delivery valve and connected to the purge duct, the supply pipe and the return pipe being entirely independent of each other, such that the multichannel connection member acts continuously to connect in series the feed duct, the supply pipe, the filler spout, the return pipe, and the purge duct.